OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-84e988-0): addr:da:3f:a8:de:32:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6e:dc:f3:9b:33:a6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
